/*
Theme Name: Nutech Digital
Theme URI: https://nutechdigital.co.za
Author: Nutech Digital Solutions
Author URI: https://nutechdigital.co.za
Description: Custom premium dark theme for Nutech Digital Solutions — a future-focused design and engineering studio.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nutech-digital
*/

/* ============================================
   NUTECH DIGITAL — Design System V2
   ============================================ */

/* --- TOKENS --- */
:root {
    --bg: #06060f;
    --bg-surface: #0c0c1d;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-alt: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    --primary: #00e5ff;
    --primary-dim: rgba(0, 229, 255, 0.15);
    --secondary: #8b5cf6;
    --accent: #f472b6;

    --text: #f0f0f5;
    --text-muted: #7a7a90;
    --text-dim: #4a4a5a;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius: 8px;
    --radius-lg: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --- CONTAINER --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- CURSOR GLOW --- */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease-out;
    will-change: transform;
}

/* --- ANIMATIONS --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.15s;
}

.delay-2 {
    animation-delay: 0.3s;
}

.delay-3 {
    animation-delay: 0.45s;
}

.delay-4 {
    animation-delay: 0.6s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-glow {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
}

.btn-glow:hover {
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.35), 0 0 60px rgba(0, 229, 255, 0.15);
    transform: translateY(-2px);
}

.btn-ghost {
    border-color: var(--border);
    color: var(--text-muted);
    background: transparent;
}

.btn-ghost:hover {
    border-color: var(--text);
    color: var(--text);
    background: var(--surface);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- NAVIGATION --- */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

#navbar.scrolled {
    background: rgba(6, 6, 15, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom-color: var(--border);
    padding: 12px 0;
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.logo-nu {
    color: var(--text);
}

.logo-tech {
    color: var(--primary);
}

.logo-dot {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    padding: 8px 20px !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    color: var(--primary) !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--primary-dim) !important;
    border-color: var(--primary) !important;
}

/* Mobile toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* --- HERO --- */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

#canvas-container {
    position: absolute;
    top: 0;
    right: -15%;
    width: 75%;
    height: 100%;
    z-index: 0;
    opacity: 0.7;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 28px;
    padding: 6px 16px;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: var(--surface);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
    }
}

.hero-content h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: -3px;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-clients {
    border-top: 1px solid var(--border);
    padding-top: 28px;
}

.clients-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 12px;
}

.client-logos {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.client-pill {
    font-size: 0.75rem;
    padding: 5px 14px;
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-muted);
    background: var(--surface);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }
}

.scroll-indicator span {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-dim);
}

/* --- STATS --- */
#stats {
    padding: 64px 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    text-align: center;
    padding: 32px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    background: var(--surface-alt);
}

.stat-number,
.stat-number-text {
    font-size: 2.8rem;
    font-weight: 900;
    display: inline;
    letter-spacing: -2px;
}

.stat-suffix {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: -2px;
}

.stat-label {
    display: block;
    margin-top: 8px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
}

/* --- SECTIONS SHARED --- */
.section-header {
    margin-bottom: 64px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--secondary);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1.1;
}

.section-sub {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 500px;
}

/* --- SERVICES --- */
#services {
    padding: 120px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
}

.service-card {
    padding: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    border-color: var(--border-hover);
    background: var(--surface-alt);
    transform: translateY(-4px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tags span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(139, 92, 246, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(139, 92, 246, 0.15);
}

.service-arrow {
    position: absolute;
    bottom: 28px;
    right: 28px;
    font-size: 1.2rem;
    color: var(--text-dim);
    opacity: 0;
    transform: translateX(-8px);
    transition: var(--transition);
}

.service-card:hover .service-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--primary);
}

/* --- WORK --- */
#work {
    padding: 120px 0;
    background: var(--bg-surface);
}

.work-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    grid-template-rows: auto;
    gap: 20px;
}

.work-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.work-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.work-card-large {
    grid-row: span 1;
}

.work-thumb {
    height: 280px;
    position: relative;
    overflow: hidden;
}

.work-card-large .work-thumb {
    height: 340px;
}

.work-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

.work-card:hover .work-overlay {
    opacity: 1;
}

.work-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.work-cta {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 600;
}

.work-meta {
    padding: 20px 24px;
    background: var(--bg);
}

.work-meta h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.work-meta p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- CONTACT --- */
#contact {
    padding: 120px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 20px;
}

.contact-info>p {
    color: var(--text-muted);
    margin-bottom: 36px;
    font-size: 1.05rem;
}

.contact-details {
    margin-top: 20px;
}

.contact-details li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    font-size: 1.2rem;
    color: var(--primary);
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.detail-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.contact-details a,
.contact-details span {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-details a:hover {
    color: var(--primary);
}

/* Form */
.contact-form {
    background: var(--surface);
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-dim);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.form-group select option {
    background: #0c0c1d;
    color: #f0f0f5;
    padding: 8px;
}

textarea {
    resize: none;
    min-height: 100px;
}

/* Budget pills */
.budget-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.budget-pill {
    cursor: pointer;
}

.budget-pill input {
    display: none;
}

.budget-pill span {
    display: block;
    padding: 8px 16px;
    font-size: 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    transition: var(--transition);
    font-weight: 500;
}

.budget-pill:hover span {
    border-color: var(--border-hover);
}

.budget-pill input:checked+span {
    background: var(--primary-dim);
    border-color: var(--primary);
    color: var(--primary);
}

/* --- FOOTER --- */
#footer {
    padding: 80px 0 32px;
    border-top: 1px solid var(--border);
    background: var(--bg-surface);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 320px;
    line-height: 1.7;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text);
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-dim);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-dim);
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--text-muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .work-grid {
        grid-template-columns: 1fr 1fr;
    }

    .work-card-large {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg);
        z-index: 999;
        justify-content: center;
        align-items: center;
        gap: 28px;
    }

    .nav-links.open a {
        font-size: 1.4rem;
        color: var(--text);
    }

    #hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: 80px;
    }

    #canvas-container {
        right: -50%;
        width: 120%;
        opacity: 0.4;
    }

    .hero-content h1 {
        font-size: 2.8rem;
        letter-spacing: -1.5px;
    }

    .hero-sub {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        text-align: center;
        justify-content: center;
    }

    .scroll-indicator {
        display: none;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .work-grid {
        grid-template-columns: 1fr;
    }

    .work-card-large {
        grid-column: span 1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .stat-number,
    .stat-number-text,
    .stat-suffix {
        font-size: 2rem;
    }

    .budget-options {
        flex-direction: column;
    }

    .budget-pill span {
        text-align: center;
    }
}